DL 960 then B6 615 at JFK
Los Angeles → New York → San Francisco
Timetable, New York time
06:00DL 960 from Los Angeles at the gate
19:00B6 615 to San Francisco leaves the gate
13 h apart on the timetable
B6 615 leaves 13 h after DL 960 arrives on the timetable: more than half a day, so not a connection we count.